feat: jedes Divi-Tool und lit/content-create erklärt seine Divi-Fähigkeiten (RequiresDiviFeatures, DeclaresRequirements, FeatureSets); Tabelle Tool → Fähigkeiten als Test

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/Integrations/WordPress/Content/ContentComposer.php

@@ -35,6 +35,15 @@ interface ContentComposer
      */
     public function refusal(): ?WP_Error;
 
+    /**
+     * IDs of the capabilities of the composing integration that composing a new entry needs (the Divi integration:
+     * the DiviFeature values). lit/content-create hands them on as DeclaresRequirements; the core never interprets
+     * them.
+     *
+     * @return list<string>
+     */
+    public function requirements(): array;
+
     /**
      * Validates the description for a new entry of $postType. Nothing is written.
      *